qt, refactor: Fix 'QDateTime is deprecated' warnings

1 files changed, 10 insertions, 1 deletions

diff --git a/src/qt/guiutil.h b/src/qt/guiutil.h
index 2bd94b5eb3..9ce5275e10 100644
--- a/src/qt/guiutil.h
+++ b/src/qt/guiutil.h
@@ -289,7 +289,7 @@ namespace GUIUtil
     /**
      * Returns the distance in pixels appropriate for drawing a subsequent character after text.
      *
-     * In Qt 5.12 and before the QFontMetrics::width() is used and it is deprecated since Qt 13.0.
+     * In Qt 5.12 and before the QFontMetrics::width() is used and it is deprecated since Qt 5.13.
      * In Qt 5.11 the QFontMetrics::horizontalAdvance() was introduced.
      */
     int TextWidth(const QFontMetrics& fm, const QString& text);
@@ -303,6 +303,15 @@ namespace GUIUtil
      * Call QMenu::popup() only on supported QT_QPA_PLATFORM.
      */
     void PopupMenu(QMenu* menu, const QPoint& point, QAction* at_action = nullptr);
+
+    /**
+     * Returns the start-moment of the day in local time.
+     *
+     * QDateTime::QDateTime(const QDate& date) is deprecated since Qt 5.15.
+     * QDate::startOfDay() was introduced in Qt 5.14.
+     */
+    QDateTime StartOfDay(const QDate& date);
+
 } // namespace GUIUtil
 
 #endif // BITCOIN_QT_GUIUTIL_H